Pull out IntentWorker from IntentManager
- IntentWorker is placed in phase package
- Make public IntentProcessPhase subclasses package private now
Change-Id: Ie7d218fe5d8a516f3913ff8881d9d17cfd8e4c46
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
index 90e0fd2..1944aad 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
@@ -25,13 +25,13 @@
/**
* Represents a phase where intent installation has been requested.
*/
-public final class InstallRequest implements IntentProcessPhase {
+final class InstallRequest implements IntentProcessPhase {
private final IntentProcessor intentManager;
private final IntentData pending;
private final Optional<IntentData> current;
- public InstallRequest(IntentProcessor processor, IntentData intentData, Optional<IntentData> current) {
+ InstallRequest(IntentProcessor processor, IntentData intentData, Optional<IntentData> current) {
this.intentManager = checkNotNull(processor);
this.pending = checkNotNull(intentData);
this.current = checkNotNull(current);
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/IntentWorker.java b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/IntentWorker.java
new file mode 100644
index 0000000..aa7ef6a
--- /dev/null
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/IntentWorker.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.intent.impl.phase;
+
+import org.onosproject.net.intent.IntentData;
+import org.onosproject.net.intent.impl.IntentProcessor;
+
+import java.util.Optional;
+import java.util.concurrent.Callable;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.onlab.util.Tools.isNullOrEmpty;
+import static org.onosproject.net.intent.IntentState.WITHDRAWN;
+
+/**
+ * Worker to process a submitted intent. {@link #call()} method generates
+ */
+public final class IntentWorker implements Callable<FinalIntentProcessPhase> {
+
+ private final IntentProcessor processor;
+ private final IntentData data;
+ private final IntentData current;
+
+ /**
+ * Create an instance with the specified arguments.
+ *
+ * @param processor intent processor to be passed to intent process phases
+ * generated while this instance is working
+ * @param data intent data to be processed
+ * @param current intent date that is stored in the store
+ */
+ public IntentWorker(IntentProcessor processor, IntentData data, IntentData current) {
+ this.processor = checkNotNull(processor);
+ this.data = checkNotNull(data);
+ this.current = current;
+ }
+
+ @Override
+ public FinalIntentProcessPhase call() throws Exception {
+ IntentProcessPhase update = createInitialPhase();
+ Optional<IntentProcessPhase> currentPhase = Optional.of(update);
+ IntentProcessPhase previousPhase = update;
+
+ while (currentPhase.isPresent()) {
+ previousPhase = currentPhase.get();
+ currentPhase = previousPhase.execute();
+ }
+ return (FinalIntentProcessPhase) previousPhase;
+ }
+
+ /**
+ * Create a starting intent process phase according to intent data this class holds.
+ *
+ * @return starting intent process phase
+ */
+ private IntentProcessPhase createInitialPhase() {
+ switch (data.state()) {
+ case INSTALL_REQ:
+ return new InstallRequest(processor, data, Optional.ofNullable(current));
+ case WITHDRAW_REQ:
+ if (current == null || isNullOrEmpty(current.installables())) {
+ return new Withdrawn(data, WITHDRAWN);
+ } else {
+ return new WithdrawRequest(processor, data, current);
+ }
+ default:
+ // illegal state
+ return new CompilingFailed(data);
+ }
+ }
+}
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java
index f2e120f..7940cf7 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/WithdrawRequest.java
@@ -25,13 +25,13 @@
/**
* Represents a phase of requesting a withdraw of an intent.
*/
-public final class WithdrawRequest implements IntentProcessPhase {
+final class WithdrawRequest implements IntentProcessPhase {
private final IntentProcessor processor;
private final IntentData pending;
private final IntentData current;
- public WithdrawRequest(IntentProcessor processor, IntentData intentData, IntentData current) {
+ WithdrawRequest(IntentProcessor processor, IntentData intentData, IntentData current) {
this.processor = checkNotNull(processor);
this.pending = checkNotNull(intentData);
this.current = checkNotNull(current);
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/Withdrawn.java b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/Withdrawn.java
index 069a989..b8e724b 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/Withdrawn.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/Withdrawn.java
@@ -24,15 +24,15 @@
/**
* Represents a phase where an intent has been withdrawn.
*/
-public final class Withdrawn extends FinalIntentProcessPhase {
+final class Withdrawn extends FinalIntentProcessPhase {
private final IntentData intentData;
- public Withdrawn(IntentData intentData) {
+ Withdrawn(IntentData intentData) {
this(intentData, WITHDRAWING);
}
- public Withdrawn(IntentData intentData, IntentState newState) {
+ Withdrawn(IntentData intentData, IntentState newState) {
this.intentData = checkNotNull(intentData);
this.intentData.setState(newState);
}